2² × 5 × 37 × 139

Prime Factor Structure

Factorization String 2^2 × 5 × 37 × 139

Distinct Prime Factors 4

Square Status No

Abundance Measure Abundant

Analytical Properties

Total Divisors 24

Divisor Sum (σ) 223,440

Proper Divisor Sum 120,580

Digit Sum / Digital Root 17 (Root: 8)

Adjacent Primes #102859 ← → #102871

1 2 4 5 10 20 37 74 139 148 185 278 370 556 695 740 1,390 2,780 5,143 10,286 20,572 25,715 51,430 102,860

Iterative sequence n → n/2 (if even) or 3n+1 (if odd):

102,860 51,430 25,715 77,146 38,573 115,720 57,860 28,930 14,465 43,396 21,698 10,849 32,548 16,274 8,137 24,412 12,206 6,103 18,310 9,155 27,466 13,733 41,200 20,600 10,300 5,150 2,575 7,726 3,863 11,590 5,795 17,386 8,693 26,080 13,040 6,520 3,260 1,630 815 2,446 1,223 3,670 1,835 5,506 2,753 8,260 4,130 2,065 6,196 3,098 1,549 4,648 2,324 1,162 581 1,744 872 436 218 109

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